package com.cgb2110.serve.config;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.cgb2110.serve.pojo.MailConstants;


import com.cgb2110.serve.pojo.MailLog;
import com.cgb2110.serve.service.impl.MailLogServiceImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;



/**
 * RabbitMQ配置类
 */
@Configuration
public class RabbitMQconfig {
    private static final Logger LOGGER = LoggerFactory.getLogger(RabbitMQconfig.class);

    @Autowired
    private CachingConnectionFactory cachingConnectionFactory;
    @Autowired
    private MailLogServiceImpl mailLogService;
    @Bean
    public RabbitTemplate rabbitTemplate(){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
        /**
         * 消息确认回调，确认消息是否到达
         * data:消息唯一标识
         * ack:确认结果
         * couse：失败原因
         */
        rabbitTemplate.setConfirmCallback((data,ack,causer)->{
            String msgId = data.getId();
            if (ack){
                LOGGER.info("{}=======>消息发送成功");
                mailLogService.update(new UpdateWrapper<MailLog>().set("status", 1).eq("msgId", msgId));
            }else {
                LOGGER.error("{}=======>消息发送失败",msgId);
            }
        });
        rabbitTemplate.setReturnCallback((msg,repCode,repText,exchange,routingkey)->{
            LOGGER.error("{}=====>消息发送queue时失败",msg.getBody());
        });
        return new RabbitTemplate(cachingConnectionFactory);

    }


    @Bean
    public Queue queue(){
        return new Queue(MailConstants.MAIL_QUEUE_NAME);
    }

    @Bean
    public DirectExchange directExchange(){
        return new DirectExchange(MailConstants.MAIL_EXCHANGE_NAME);
    }
    @Bean
    public Binding binding(){
        return BindingBuilder.bind(queue()).to(directExchange()).with(MailConstants.MAIL_ROUTING_KEY_NAME);
    }
}
